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How to check if a variable exists in a FreeMarker template?
...ter fit:
<#if userName?has_content>
... do something
</#if>
http://freemarker.sourceforge.net/docs/ref_builtins_expert.html
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Determine which element the mouse pointer is on top of in JavaScript
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Find() vs. Where().FirstOrDefault()
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Just to complement: There is no need to call Where and First or FirstOrDefault: either First or FirstOrDefault allows you to specify a search predicate, making the Where call unnecessary
– Robson Rocha
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To draw an Underline below the TextView in Android
...reate a drawable (hyperlink_underline.xml):
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:top="-10dp"
android:left="-10dp"
android:right="-10dp">
<shape android:shape="rectangle">
<solid android:color="@android...
What is Android keystore file, and what is it used for?
...ion about the signing process on the official Android documentation here : http://developer.android.com/guide/publishing/app-signing.html
Yes, you can sign several applications with the same keystore. But you must remember one important thing : if you publish an app on the Play Store, you have to s...
Capturing TAB key in text box [closed]
I would like to be able to use the Tab key within a text box to tab over four spaces. The way it is now, the Tab key jumps my cursor to the next input.
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CSS: Set a background color which is 50% of the width of the window
... width: 50%;
height: 100%;
background-color: pink;
}
Example: http://jsfiddle.net/PLfLW/1704/
The solution uses an extra fixed div that fills half the screen. Since it's fixed, it will remain in position even when your users scroll. You may have to fiddle with some z-indexes later, to ...
Static way to get 'Context' in Android?
...droid Manifest file, declare the following.
<application android:name="com.xyz.MyApplication">
</application>
Then write the class:
public class MyApplication extends Application {
private static Context context;
public void onCreate() {
super.onCreate();
M...
How can I create a link to a local file on a locally-run web page?
...s of many browsers (e.g. Firefox and Chrome) will refuse to cross from the http protocol to the file protocol to prevent malicious behaviour. You'll need to open your webpage locally using the file protocol if you want to do this stuff at all.
Why does it get stuck without file:///?
The first part...